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沈慧芳; 涂伟萍; 陈焕钦
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SHEN Huifang;TU Weiping;CHEN Huanqin
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Abstract: The synthetic reaction of HDI biuret polyisocyanate was monitored by gel permeation chromatography (GPC). The best reaction process was selected according to the percent age of HDI biuret, and the influence of operation conditions on product was also analysed. The results demonstrated that the method of using steam with hexamethylene diisocyanate (HDI) monomer is the best process.Reaction temperature is controlled at 120?℃ and reaction time is controlled at about 7 hours.
沈慧芳; 涂伟萍; 陈焕钦. HDI缩二脲多异氰酸酯的合成 [J]. CIESC Journal.
SHEN Huifang;TU Weiping;CHEN Huanqin. SYNTHETIC REACTION OF HDI BIURET POLYISOCYANATE [J]. .
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https://hgxb.cip.com.cn/CN/Y2001/V52/I11/1017